Cisco Prime Service Catalog
In this chapter from CCNA Cloud CLDADM 210-455 Official Cert Guide, Cisco cloud experts Chris Jackson, Hank Preston, and Steve Wasko introduce the Cisco Prime Service Catalog and how it helps manage requests for IT services.

IKEv2 Deployments
In this chapter from IKEv2 IPsec Virtual Private Networks: Understanding and Deploying IKEv2, IPsec VPNs, and FlexVPN in Cisco IOS, authors Graham Bartlett and Amjad Inamdar introduce a number of designs where IKEv2 is used. Each design will use a simple deployment of two routers with the focus on the configuration of IKEv2. Although each scenario uses only two routers, the configuration can scale as required if needed.

Implementing OSPF for IPv4
In this sample chapter from CCNA Routing and Switching ICND2 200-105 Official Cert Guide, author Wendell Odom covers implementation details for Open Shortest Path First Version 2 (OSPFv2)—that is, OSPF as used for IPv4. This chapter looks at how to configure and verify a variety of OSPFv2 features.

Introduction to and Design of Cisco ASA with FirePOWER Services
In this chapter from Cisco Next-Generation Security Solutions: All-in-one Cisco ASA Firepower Services, NGIPS, and AMP, authors Omar Santos, Panos Kampanakis, and Aaron Woland provide an introduction to the Cisco ASA with FirePOWER Services solution. It also provides design guidance and best practices for deploying Cisco ASA with FirePOWER Services.

Introduction to BGPIn this sample chapter from Routing TCP/IP, Volume II: CCIE Professional Development, 2nd Edition, author Jeff Doyle covers the basic operation of BGP, including its message types, how the messages are used, and the format of the messages. You also learn about the various basic attributes BGP can associate with a route and how it uses these attributes to choose a best path. Finally, this chapter shows you how to configure and troubleshoot BGP peering sessions.